cudweed

 
Pronunciation: /ˈkʌdwiːd/

noun

[mass noun]
  • a plant of the daisy family, with hairy or downy leaves and inconspicuous flowers.
    • Genera Gnaphalium and Filago, family Compositae

Origin:

mid 16th century: from cud + weed, said to be given to cattle who had lost their cud